Letter from Robert McLachlan of The Entomological Society, to Philip Lutley Sclater regarding an elephant trunk that was suffering from caries
Letter from Thomas John Moore to Philip Lutley Sclater regarding a gorilla said to be in possession and Newby, and alive
Letters from R M Morell on behalf of the Council of the National Sunday League, to Philip Lutley Sclater regarding the opening of the Gardens of the Zoological Society of London one Sunday in the summer for the artisans of the metropolis, with draft reply from Philip Lutley Sclater
Letter from Mrs John Moxon to Philip Lutley Sclater regarding the privileges normally granted to the widows of older Fellows of the Zoological Society of London
Letter from Andrew Murray to Philip Lutley Sclater regarding crustaceans described in the 1861 Proceedings of the Zoological Society of London
Letter from Lord Francis Napier to Philip Lutley Sclater regarding entrance cards for the Gardens of the Zoological Society of London
Letters from William Nation to Philip Lutley Sclater regarding his discoveries
Letters from John Trivett Nettleship to Philip Lutley Sclater regarding admission to the Gardens of the Zoological Society of London, a recommendation for Miss Mary Irene Stoddard to receive a student ticket for admission, and a letter to Professor Flower regarding his proposed election as Fellow
Letters from Sir Richard Owen to Philip Lutley Sclater on subjects such as plates of the Dodo, papers on bird bones, notes on the dissection of a penguin, cetacean drawings, chambered shells, drawings of birds from Madras, photographs of harpagornis and his papers on diornis
Letter from Cornelius Henry Paine to Philip Lutley Sclater regarding the class of people admitted to the Gardens of the Zoological Society on a Sunday